/Engine/Source/Runtime/Datasmith/CADKernel/Public/CADKernel/Topo/TopologicalFace.h
Trimmed the face with curves i.e. Edges will be build from the cures to make boundaries.
void AddLoops ( const [TArray](API\Runtime\Core\Containers\TArray)< [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [FCurve](API\Runtime\CADKernel\CADKernel\Geo\Curves\FCurve) >> & Restrictions )